Yes, you agree with her. This marriage isn't working for you either. You lay out that you have a plan for staying together or reconciling (which you need to do - it helps you detach and be prepared). You respect her wishes and you will be fine regardless of the outcome. Then you let her go and let her be the next one to speak.
This helps you start a outline for your LBS script.
M22,H45,W45 S21/18D12 Retain faith that you will prevail in the end, regardless of the difficulties and at the same time confront the most brutal facts of your current reality, whatever they might be.